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src/share/vm/prims/jvmtiManageCapabilities.hpp@710a3c8b516e (annotated)
src/share/vm/prims/jvmtiManageCapabilities.hpp
Tue, 08 Aug 2017 15:57:29 +0800
- author
- aoqi
- date
- Tue, 08 Aug 2017 15:57:29 +0800
- changeset 6876
- 710a3c8b516e
- parent 2314
- f95d63e2154a
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| aoqi@0 | 26 | #define SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "jvmtifiles/jvmti.h" |
| aoqi@0 | 29 | #include "memory/allocation.hpp" |
| aoqi@0 | 30 | |
| aoqi@0 | 31 | class JvmtiManageCapabilities : public AllStatic { |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | private: |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | // these four capabilities sets represent all potentially |
| aoqi@0 | 36 | // available capabilities. They are disjoint, covering |
| aoqi@0 | 37 | // the four cases: (OnLoad vs OnLoad+live phase) X |
| aoqi@0 | 38 | // (one environment vs any environment). |
| aoqi@0 | 39 | static jvmtiCapabilities always_capabilities; |
| aoqi@0 | 40 | static jvmtiCapabilities onload_capabilities; |
| aoqi@0 | 41 | static jvmtiCapabilities always_solo_capabilities; |
| aoqi@0 | 42 | static jvmtiCapabilities onload_solo_capabilities; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | // solo capabilities that have not been grabbed |
| aoqi@0 | 45 | static jvmtiCapabilities always_solo_remaining_capabilities; |
| aoqi@0 | 46 | static jvmtiCapabilities onload_solo_remaining_capabilities; |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | // all capabilities ever acquired |
| aoqi@0 | 49 | static jvmtiCapabilities acquired_capabilities; |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | // basic intenal operations |
| aoqi@0 | 52 | static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| aoqi@0 | 53 | static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| aoqi@0 | 54 | static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| aoqi@0 | 55 | static bool has_some(const jvmtiCapabilities *a); |
| aoqi@0 | 56 | static void update(); |
| aoqi@0 | 57 | |
| aoqi@0 | 58 | // init functions |
| aoqi@0 | 59 | static jvmtiCapabilities init_always_capabilities(); |
| aoqi@0 | 60 | static jvmtiCapabilities init_onload_capabilities(); |
| aoqi@0 | 61 | static jvmtiCapabilities init_always_solo_capabilities(); |
| aoqi@0 | 62 | static jvmtiCapabilities init_onload_solo_capabilities(); |
| aoqi@0 | 63 | |
| aoqi@0 | 64 | public: |
| aoqi@0 | 65 | static void initialize(); |
| aoqi@0 | 66 | |
| aoqi@0 | 67 | // may have to adjust always capabilities when VM initialization has completed |
| aoqi@0 | 68 | static void recompute_always_capabilities(); |
| aoqi@0 | 69 | |
| aoqi@0 | 70 | // queries and actions |
| aoqi@0 | 71 | static void get_potential_capabilities(const jvmtiCapabilities *current, |
| aoqi@0 | 72 | const jvmtiCapabilities *prohibited, |
| aoqi@0 | 73 | jvmtiCapabilities *result); |
| aoqi@0 | 74 | static jvmtiError add_capabilities(const jvmtiCapabilities *current, |
| aoqi@0 | 75 | const jvmtiCapabilities *prohibited, |
| aoqi@0 | 76 | const jvmtiCapabilities *desired, |
| aoqi@0 | 77 | jvmtiCapabilities *result); |
| aoqi@0 | 78 | static void relinquish_capabilities(const jvmtiCapabilities *current, |
| aoqi@0 | 79 | const jvmtiCapabilities *unwanted, |
| aoqi@0 | 80 | jvmtiCapabilities *result); |
| aoqi@0 | 81 | static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to); |
| aoqi@0 | 82 | |
| aoqi@0 | 83 | #ifndef PRODUCT |
| aoqi@0 | 84 | static void print(const jvmtiCapabilities* caps); |
| aoqi@0 | 85 | #endif |
| aoqi@0 | 86 | }; |
| aoqi@0 | 87 | |
| aoqi@0 | 88 | #endif // SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
